Sciweavers

288 search results - page 44 / 58
» The effectiveness of automatically structured queries in dig...
Sort
View
IRCDL
2008
13 years 9 months ago
Video Event Annotation using Ontologies with Temporal Reasoning
Annotation and retrieval tools for multimedia digital libraries have to cope with the complexity of multimedia content. In particular, when dealing with video content, annotation ...
Marco Bertini, Alberto Del Bimbo, Giuseppe Serra
SIGMOD
2002
ACM
129views Database» more  SIGMOD 2002»
14 years 7 months ago
Dwarf: shrinking the PetaCube
Dwarf is a highly compressed structure for computing, storing, and querying data cubes. Dwarf identifies prefix and suffix structural redundancies and factors them out by coalesci...
Yannis Sismanis, Antonios Deligiannakis, Nick Rous...
WEBI
2005
Springer
14 years 1 months ago
A Semi-Supervised Document Clustering Algorithm Based on EM
Document clustering is a very hard task in Automatic Text Processing since it requires to extract regular patterns from a document collection without a priori knowledge on the cat...
Leonardo Rigutini, Marco Maggini
CACM
1998
110views more  CACM 1998»
13 years 7 months ago
Viewing WISs as Database Applications
abstraction for modeling these problems is to view the Web as a collection of (usually small and heterogeneous) databases, and to view programs that extract and process Web data au...
Gustavo O. Arocena, Alberto O. Mendelzon
ICS
2009
Tsinghua U.
14 years 2 months ago
MPI-aware compiler optimizations for improving communication-computation overlap
Several existing compiler transformations can help improve communication-computation overlap in MPI applications. However, traditional compilers treat calls to the MPI library as ...
Anthony Danalis, Lori L. Pollock, D. Martin Swany,...